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OSX 10.8.4 SATA-3 Motherboard, SSD SATA-3 works only at 3Gb/s

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Joined
Aug 2, 2012
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6
Motherboard
GIGABYTE GA-X79-UD3
CPU
Intel Core i7 3820
Graphics
GeForce GT 640 2048 MB
Mac
  1. MacBook Pro
  2. Mac Pro
Classic Mac
Mobile Phone
  1. Android
  2. iOS
Motherborad GIGABYTE GA-X79-UD3
Graphics NVIDIA GeForce GT 640 2048 MB
CPU 3.7 GHz Intel Core i7
Memory 2x8 GB 1600 MHz DDR3
OSX 10.8.4
SSD Sandisk Ultra Plus FW: 2306RL

Today I bought SSD, setted it up to computer but in the System informations I see only 3Gb/s.
Motherborad for sure is SATA-3 enabled because of my regular disk works fine at 6GB/s

Product: AHCI Standard Controller
Link Speed: 6 Gigabit
Negotiated Link Speed: 6 Gigabit
Description: AHCI Version 1.30 Supported
Model: WDC WD10EALX-008EA0
Revision: 05.01D05

But fo Sandisk System Info is

Product: AHCI Standard Controller
Link Speed: 6 Gigabit
Negotiated Link Speed: 3 Gigabit
Description: AHCI Version 1.30 Supported
Model: SanDisk SDSSDHP128G
Revision: X2306RL

Why this happened? All the ports on the motherboard are SATA-3. AHCI enabled.
 
Joined
Aug 2, 2012
Messages
6
Motherboard
GIGABYTE GA-X79-UD3
CPU
Intel Core i7 3820
Graphics
GeForce GT 640 2048 MB
Mac
  1. MacBook Pro
  2. Mac Pro
Classic Mac
Mobile Phone
  1. Android
  2. iOS
Strange, but solved. I've moved SSD to another SATA-3 port. Not it is 6/6.

It is strange because of the recent port was (it is seen at the previous port) SATA-3 6Gb/s too...
 
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